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Transactions of the American Mathematical Society

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Rational approximation to $ e\sp{-x}$. II


Authors: Q. I. Rahman and G. Schmeisser
Journal: Trans. Amer. Math. Soc. 235 (1978), 395-402
MSC: Primary 41A20; Secondary 41A25
DOI: https://doi.org/10.1090/S0002-9947-1978-0682544-3
MathSciNet review: 682544
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Abstract: It is shown that as compared to reciprocals of polynomials of degree n, rational functions of degree n provide an effectively better uniform approximation to the function $ {e^{ - x}}$ on $ [0,\infty )$.


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DOI: https://doi.org/10.1090/S0002-9947-1978-0682544-3
Keywords: Rational approximation, approximation by reciprocals of polynomials, Padé table
Article copyright: © Copyright 1978 American Mathematical Society

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